Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means there's a problem with the sensor that helps control the flow of engine coolant. It's like if a thermometer in your house stopped working, so you couldn't tell if it was too hot or too cold.
The engine control module (ECM) has detected a low voltage signal from the coolant bypass valve position sensor, indicating a potential issue with the sensor or its circuit.
The P26A6 code is triggered when the ECM detects a voltage signal from the engine coolant bypass valve position sensor that is lower than the expected range. This sensor helps monitor and control the flow of coolant through the engine to ensure optimal operating temperatures. A low circuit signal can indicate a wiring issue, a faulty sensor, or a malfunctioning valve.
• Check Engine Light illuminated
• Engine overheating
• Poor fuel efficiency
• Faulty coolant bypass valve position sensor
• Wiring issues such as shorts or open circuits
• Malfunctioning engine coolant bypass valve
ECM: Engine Control Module
Coolant: A fluid that absorbs heat from the engine to prevent overheating
• Use an OBD-II scanner to confirm the code.
• Inspect the wiring and connectors for damage or corrosion.
• Test the coolant bypass valve position sensor for proper operation.
• Replace the coolant bypass valve position sensor.
• Repair or replace damaged wiring or connectors.
• Replace the engine coolant bypass valve if necessary.
• OBD-II scanner
• Multimeter
• Screwdrivers
$150 - $400
Moderate
• Ford Escape
• Chevrolet Cruze
• Toyota Camry
• Regularly inspect and maintain coolant system components.
• Ensure proper coolant levels are maintained.
• Check for coolant leaks periodically.
Sensor Issue
• Avoid driving the vehicle if overheating occurs.
• Have the vehicle inspected by a professional mechanic.
• Monitor coolant levels regularly.
Check with the vehicle manufacturer for specific warranty coverage on emissions-related components.
This code has been observed in vehicles with higher mileage or those that have not had regular coolant system maintenance.
Moderate – Addressing this issue promptly can prevent engine overheating and potential damage.
Ignoring this code may lead to engine overheating, which can cause severe engine damage and pose a safety risk.
• Engine at normal operating temperature
• Vehicle stationary with engine running
The coolant bypass valve is typically located near the engine block, often integrated with the thermostat housing.
Q: Can I drive with a P26A6 code?
A: It's not recommended to drive with this code, as it may lead to engine overheating.
Q: How can I prevent this code from appearing?
A: Regular maintenance of the coolant system and checking for leaks can help prevent this code.
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Fitment Required · Vehicle-fitment part
Relevant when coolant-temperature and warm-up faults indicate a thermostat-related issue.
Coolant-temperature and warm-up faults often lead to thermostat testing and replacement.
Thermostats are vehicle-specific and should be matched by engine and housing style.
View options on AmazonThese parts may be related to this fault category, but a code by itself does not confirm exact fitment or guarantee that replacing a part will solve the problem.